A129565 A115359 * A000012 as infinite lower triangular matrices.

1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1

Offset: 1

Author

Gary W. Adamson, Apr 21 2007

Keywords

• nonn
• tabl

Comments

Row sums = A026741: (1, 1, 3, 2, 5, 3, 7, 4, 9, 5, ...).

Examples

			First few rows of the triangle:
  1;
  0, 1;
  1, 1, 1;
  0, 0, 1, 1;
  1, 1, 1, 1, 1;
  0, 0, 0, 1, 1, 1;
  ...
		

Crossrefs

Cf. A115359, A000012, A026741.

Formula

A115359 * A000012 as infinite lower triangular matrices. Odd rows: n 1's; even rows, n/2 zeros followed by n/2 1's.

Extensions

Name corrected by Gary W. Adamson, Mar 14 2011